Speaking on Monday at Portugal's World Cup team base camp on the outskirts of Moscow, Fernandes said: "I have nothing negative to say about Cristiano, he looks focused and doesn't look at all worried about his future."

Portugal share Group B with Morocco and Iran, but face their toughest test in their opening game against Spain on Friday in the evening kick-off.

Ronaldo is Portugal's all-time leading scorer with 81 goals in 150 senior caps and captained them to a first European championship in 2016, however, at 33 this could be his final major international tournament.